All of them beacause each one of them measured a lenght of a sidewalk
Answer:
18.75
Step-by-step explanation:
In commutative property , we can add numbers in any order.
Here we are given with fractions
We can add or subtract fractions in any order
We change the order of fraction that has same denominator so that we can add it more easily using commutative property
The first two fractions have same negative sign and common denominator
so we add it
Simplify the fraction 12/ 16
Add the fractions
= -1
This can be written 8^(4/3)=(∛8)⁴=2⁴=16.
You didn't include any graphs but what you're looking for is a solid vertical line on x = 18 or the ordered pair (18, 0) where the whole left side of the line is shaded.
EDIT: I said whole left side of the graph; changed it to "line"